<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Not Found页面</title>
    <link type="text/css" rel="stylesheet" href="/css/components.css" />
</head>
<body>
<div style="margin: 0 auto;width: 800px; ">
    <div >
        <img src="/img/404.png" >
    </div>
    <div  style="margin: 0 auto; width: 250px ">
        <a  class="btn btn-secondary " href=javascript:history.go(-1);>返回上一页</a>
        <a  class="btn btn-primary ml-2" href="/">返回主页</a>
    </div>
</div>
</body>
</html>